Re: [RFC PATCH 1/5] net: implement support for low latency socketpolling

[H. Peter Anvin]

On 03/05/2013 11:55 AM, David Miller wrote:
> From: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
> Date: Tue, 5 Mar 2013 16:43:01 +0000
> 
>> In general it appears to require a run-time check.  You might need to
>> augment <asm/timex.h>.
> 
> On the other hand, unlike get_cycles, sched_clock() is always available.
> 

On the gripping hand, we need to know when it uses something like
jiffies, in which case we probably need to disable the whole interface.

	-hpa

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